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110 lines
4.3 KiB
Plaintext
110 lines
4.3 KiB
Plaintext
# http://ruby-lang.org
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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# Detection
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# ‾‾‾‾‾‾‾‾‾
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hook global BufSetOption mimetype=text/x-ruby %{
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set buffer filetype ruby
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}
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hook global BufCreate .*(([.](rb))|(irbrc)|(pryrc)|(Capfile|[.]cap)|(Gemfile)|(Guardfile)|(Rakefile|[.]rake)|(Thorfile|[.]thor)|(Vagrantfile)) %{
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set buffer filetype ruby
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}
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# Highlighters
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# ‾‾‾‾‾‾‾‾‾‾‾‾
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addhl -group / regions -default code ruby \
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double_string '"' (?<!\\)(\\\\)*" '' \
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single_string "'" "'" '' \
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backtick '`' (?<!\\)(\\\\)*` '' \
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regex '/' (?<!\\)(\\\\)*/[imox]* '' \
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comment '#' '$' '' \
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comment ^begin= ^=end '' \
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literal '%[iqrswxIQRSWX]\(' \) \( \
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literal '%[iqrswxIQRSWX]\{' \} \{ \
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literal '%[iqrswxIQRSWX]\[' \] \[ \
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literal '%[iqrswxIQRSWX]<' > <
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# Regular expression flags are: i → ignore case, m → multi-lines, o → only interpolate #{} blocks once, x → extended mode (ignore white spaces)
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# Literals are: i → array of symbols, q → string, r → regular expression, s → symbol, w → array of words, x → capture shell result
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addhl -group /ruby/double_string fill string
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addhl -group /ruby/double_string regions regions interpolation \Q#{ \} \{
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addhl -group /ruby/double_string/regions/interpolation fill meta
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addhl -group /ruby/single_string fill string
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addhl -group /ruby/backtick fill meta
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addhl -group /ruby/backtick regions regions interpolation \Q#{ \} \{
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addhl -group /ruby/backtick/regions/interpolation fill meta
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addhl -group /ruby/regex fill meta
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addhl -group /ruby/regex regions regions interpolation \Q#{ \} \{
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addhl -group /ruby/regex/regions/interpolation fill meta
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addhl -group /ruby/comment fill comment
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addhl -group /ruby/literal fill meta
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addhl -group /ruby/code regex \<([A-Za-z]\w+:)|([$@][A-Za-z]\w+)|(\W\K:[A-Za-z]\w+[=?!]?) 0:identifier
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addhl -group /ruby/code regex \<(require|include)\> 0:meta
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addhl -group /ruby/code regex \<(attr_(reader|writer|accessor))\> 0:attribute
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# Keywords are collected searching for keyword_ at
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# https://github.com/ruby/ruby/blob/trunk/parse.y
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addhl -group /ruby/code regex \<(alias|and|begin|break|case|class|def|defined|do|else|elsif|end|ensure|false|for|if|in|module|next|nil|not|or|redo|rescue|retry|return|self|super|then|true|undef|unless|until|when|while|yield)\> 0:keyword
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# Commands
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# ‾‾‾‾‾‾‾‾
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def -hidden _ruby_filter_around_selections %{
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eval -draft -itersel %{
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exec <a-x>
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# remove trailing white spaces
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try %{ exec -draft s \h+$ <ret> d }
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}
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}
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def -hidden _ruby_indent_on_char "
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eval -draft -itersel %_
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# deindent on (else|elsif|end|rescue|when) keyword insertion
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try %{ exec -draft <space> <a-i>w <a-k> (else|elsif|end|rescue|when) <ret> <a-lt> }
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# align closer token to its opener when alone on a line
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try %/ exec -draft <a-h> <a-k> ^\h+[]}]$ <ret> m s \`|.\' <ret> 1<a-&> /
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_
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"
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def -hidden _ruby_indent_on_new_line "
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eval -draft -itersel '
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# preserve previous line indent
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try %{ exec -draft <space> K <a-&> }
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# filter previous line
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try %{ exec -draft k : _ruby_filter_around_selections <ret> }
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# copy _#_ comment prefix and following white spaces
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try %{ exec -draft k x s ^\h*\K#\h* <ret> y j p }
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# indent after (else|elsif|rescue|when) keywords and lines beginning / ending with opener token
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try %_ exec -draft <space> k x <a-k> (else|elsif|rescue|when)|^\h*[[{]|[[{]$ <ret> j <a-gt> _
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# indent after (begin|case|class|def|do|if|loop|module|unless|until|while) keywords and add _end_ keyword
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try %{ exec -draft <space> k x <a-k> (begin|case|class|def|do|(?<!els)if|loop|module|unless|until|while) <ret> x y p j a end <esc> k <a-gt> }
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'
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"
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# Initialization
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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hook global WinSetOption filetype=ruby %{
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addhl ref ruby
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hook window InsertEnd .* -group ruby-hooks _ruby_filter_around_selections
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hook window InsertChar .* -group ruby-indent _ruby_indent_on_char
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hook window InsertChar \n -group ruby-indent _ruby_indent_on_new_line
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}
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hook global WinSetOption filetype=(?!ruby).* %{
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rmhl ruby
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rmhooks window ruby-indent
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rmhooks window ruby-hooks
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}
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